Spinach Casserole - cooking recipe

Ingredients

4 (10 oz.) pkg. frozen chopped spinach, thawed
1/4 c. butter or margarine
1/2 onion, chopped
2 Tbsp. all-purpose flour
1 (12 oz.) can evaporated milk
1 (6 oz.) roll jalapeno pepper cheese, grated*
1/2 tsp. garlic salt
1/2 tsp. celery salt
1 tsp. worcestershire sauce
2 c. crushed round buttery crackers (about 56)
1/4 c. butter or margarine, melted

Preparation

*6 oz.
Mexican cheese loaf may be substituted for jalapeno pepper cheese.